Glashütte Original · Seventies

Strap for Seventies Chronograph Panorama Date Yellow / Bracelet

Takes 26 mm straps. Verified lug width, the straps that fit this model, and answers to the most common questions.

Lug width26 mm
Case diameter40 mm
Reference1-37-02-07-02-70
FamilySeventies
MovementGlashütte Original caliber 37-02 hours, minutes, small seconds | big date | Chronograph, column wheel, Flyback | power reserve indicator
Year2021
CaseStainless Steel

Spring bar

Swiss Standard universal spring bars

The right category for this model · 316L steel, all lug widths 13–26 mm

The Seventies 1-37-02-07-02-70, seen from the bench

The Glashütte Original Seventies is equipped with the in-house caliber 37-02 with flyback chronograph functions, column wheel, and power reserve indicator. The dial features hours, minutes, small seconds, large date, and power reserve indicator. The watch uses 26mm lugs for the strap.

Frequently asked questions

What is the lug width of the Glashütte Original Seventies 1-37-02-07-02-70?

The lug width is 26mm. This specification is particular to the Seventies model with its 40mm cushion case and is fundamental to the visual proportion with the Big Date window at 3 o'clock. Always verify that any aftermarket strap you select matches this 26mm dimension; narrower lugs (22mm or 24mm) would create visible gaps between the strap and the case lugs, compromising aesthetics and stability.

Which strap material works best for the Glashütte Original Seventies 1-37-02-07-02-70?

Selection depends on intended use and personal preference. For maximum elegance, Louisiana alligator or vegetable-tanned calf leather—which develops patina over time—are excellent choices. For versatility and ease of care, 2.0 cordura NATO or FKM rubber provide comfort and practical maintenance. Material should harmonise with the green-to-black degradé dial: havana brown, deep burgundy, or charcoal grey create visual coherence without compromising readability.

How do I change the strap on the Glashütte Original Seventies 1-37-02-07-02-70?

The Seventies features removable spring bar lugs. Using a proper spring bar tool, apply gentle pressure to one side of the spring to release the pin. Remove the old strap, position the new strap of 26mm width by aligning the holes with the lugs, and reinsert the spring bar until you hear a definitive click. Exercise care to avoid scratching the brushed stainless steel case during the process.

Are there quality aftermarket straps compatible with this reference?

Absolutely. The 26mm lug width is accommodated by numerous bespoke and industrial strap manufacturers worldwide. Milano Straps curates a dedicated collection for this specification, featuring alligator, calf leather, shell cordovan, NATO, and FKM rubber. All straps are either bespoke-crafted or carefully selected to ensure perfect fit and manufacturing quality consistent with the watch's value.

What is the typical lifespan of a leather strap on the Seventies?

A quality leather strap (alligator, calf, or shell cordovan) will perform reliably for 3–5 years under moderate daily wear. Longevity factors include frequency of use, humidity exposure, perspiration, and maintenance practices. Unlike a metal bracelet, leather develops character and patina over time, making ageing visible and often desirable. Strap changes are straightforward and recommended to refresh aesthetics without affecting the watch's integrity.

The next step

The right strap isn't chosen. It is built, together.

From the atelier appointment to delivery, every step is made for those who know that things done well take time. Rare leathers, one piece at a time, eighteen months of warranty.

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Casati Milano · Via XX Settembre 15, Milan · by appointment only